china had broken into one of theu.s.government's mostsensitive computer networks. today officials would not say whether the white house attack has been linked to china. >>> to a developing story involvie ining an american airl flight. it made an emergency landing today. the pilot got sick shortly after takeoff. a co-pilot took control. the plane landed safely in st. louis about noon eastern time. the pilot was rushed to a hospital. a new crew took over and flew the passengers on to dallas. the pilot's illness and condition are not known. >>> there was another problem on an american airlines flight that had to make an emergency landing today. that flight was headed from jfk airport in new york to miami. it turned back and landed safely after complaints of loose seats on the plane. it was the second seat of seats that were loose in three days. on saturday, a row of seats got loose on a flight from boston to miami. that plane was diverted to new york. american airlines is conducting an internal investigation. the company canceled more than 400 flights last week. they blame all the pr